Level 8 list 6

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Across
  1. 3. Tire from mental exercise
  2. 6. Related to exercise
  3. 7. A formal dinner
  4. 9. Train to obey rules
  5. 10. Hopeful about the future
  6. 12. To ensure or confirm with proof
  7. 13. Attentive
  8. 15. To move intentionally
Down
  1. 1. Producing many works, foods etc
  2. 2. The most north part of the world
  3. 4. Intense interest
  4. 5. Belonging to the Middle Ages
  5. 8. A vivid image
  6. 11. A narrow, sickle shape
  7. 14. Unclear or Unknown